Alert archive / Wisconsin / Special Weather Statements in 2015

Special Weather Statement, NWS Twin Cities, MN

July 6, 2015Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Jul 6, 2015, 5:31 AM CDT for Eau Claire County, Wisconsin. It was in force for 104 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 6, 2015, 5:31 AM CDT (10:31 UTC)
Expired
Jul 6, 2015, 7:15 AM CDT
In force
104 min
Issued by
NWS Twin Cities, MN

County Eau Claire County, WI

The radar

The La Crosse radar (KARX), 118 km from the middle of the area, began a volume at 10:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 10.5 hours before the alert went out and 177 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2015-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1489 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2015-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1489 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1240 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at Jul 6, 4:14 AM CDT, 1 hour 17 minutes earlier.

Area forecast discussion, Jul 6, 4:14 AM CDT, 1 hour 17 minutes before
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Hazardous weather outlook, Jul 6, 5:14 AM CDT, 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
514 AM CDT MON JUL 6 2015

MNZ051>053-058>063-065>070-073>078-082>085-091>093-WIZ014>016-
023>028-071015-
SHERBURNE-ISANTI-CHISAGO-MEEKER-WRIGHT-HENNEPIN-ANOKA-RAMSEY-
WASHINGTON-RENVILLE-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA-REDWOOD-
BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-
STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON-RUSK-ST. CROIX-
PIERCE-DUNN-PEPIN-CHIPPEWA-EAU CLAIRE-
514 AM CDT MON JUL 6 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MINNESOTA...EAST CENTRAL MINNESOTA...SOUTH CENTRAL MINNESOTA...
SOUTHEAST MINNESOTA...SOUTHWEST MINNESOTA...NORTHWEST WISCONSIN
AND WEST CENTRAL WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WITH MODERATE TO HEAVY RAIN WILL BE POSSIBLE THROUGH
THE MORNING. SOME FLOODING IS POSSIBLE THROUGH THE MORNING WITH
THIS ACTIVITY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

CHANCES FOR THUNDERSTORMS EXIST FROM FRIDAY THROUGH SUNDAY. THE
SEVERE WEATHER THREAT IS LOW AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED.

MNZ041>045-047>050-054>057-064-071015-
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS-
BENTON-LAC QUI PARLE-SWIFT-CHIPPEWA-KANDIYOHI-YELLOW MEDICINE-
514 AM CDT MON JUL 6 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MINNESOTA...EAST CENTRAL MINNESOTA AND WEST CENTRAL MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

CHANCES FOR THUNDERSTORMS EXIST FROM FRIDAY THROUGH SUNDAY. THE
SEVERE WEATHER THREAT IS LOW AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Special weather statement, Jul 6, 2:14 AM CDT, 3 hours 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
214 AM CDT MON JUL 6 2015

MNZ060>063-070-WIZ024-060915-
WASHINGTON-DAKOTA-ANOKA-RAMSEY-HENNEPIN-PIERCE-
214 AM CDT MON JUL 6 2015

...VERY HEAVY RAIN AND LOCALIZED MINOR FLOODING EXPECTED...

VERY HEAVY RAIN WITH THE POTENTIAL FOR LOCALIZED FLOODING WILL AFFECT
THE FOLLOWING COUNTIES...

WASHINGTON...DAKOTA...ANOKA...RAMSEY...HENNEPIN...PIERCE...

AT 210 AM CDT...VERY HEAVY RAIN WITH THE POTENTIAL FOR LOCALIZED
FLOODING WAS OVER MINNEAPOLIS AND ST. PAUL. RAINFALL RATES OF 1 TO 2
INCHES PER HOUR ARE OCCURRING IN THE STRONGER STORMS.

LOCATIONS IMPACTED INCLUDE...
MINNEAPOLIS...ST. PAUL...BLOOMINGTON...BROOKLYN PARK...EAGAN...
WOODBURY...MAPLE GROVE...COON RAPIDS...BLAINE...MAPLEWOOD...COTTAGE
GROVE AND INVER GROVE HEIGHTS.

THIS INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 221 AND
258.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE PONDING OF WATER IN
URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER
POOR DRAINAGE AREAS AND LOW LYING SPOTS. DO NOT ATTEMPT TO TRAVEL
ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW
INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

LAT...LON 4485 9321 4513 9342 4522 9305 4517 9278
      4509 9277 4506 9280 4504 9277 4491 9275
      4489 9278 4486 9274 4470 9269 4471 9273
      4467 9273 4461 9283
TIME...MOT...LOC 0710Z 240DEG 0KT 4499 9297

ADL
Special weather statement, Jul 6, 2:40 AM CDT, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
240 AM CDT MON JUL 6 2015

MNZ074-075-060800-
BROWN-NICOLLET-
240 AM CDT MON JUL 6 2015

...VERY HEAVY RAIN AND LOCALIZED MINOR FLOODING EXPECTED...

VERY HEAVY RAIN WITH THE POTENTIAL FOR LOCALIZED FLOODING WILL AFFECT
THE FOLLOWING COUNTIES...

BROWN...NICOLLET...

AT 236 AM CDT...VERY HEAVY RAIN WITH THE POTENTIAL FOR LOCALIZED
FLOODING WAS OVER NEW ULM. AROUND 2 INCHES OF RAIN HAVE ALREADY
FALLEN...WITH ADDITIONAL RAINFALL OF 1 TO 2 INCHES EXPECTED.

LOCATIONS IMPACTED INCLUDE...
NEW ULM...SLEEPY EYE...COURTLAND...LAFAYETTE...EVAN...COBDEN...NEW
ULM AIRPORT...KLOSSNER...SEARLES...ESSIG AND ST GEORGE.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE PONDING OF WATER IN
URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER
POOR DRAINAGE AREAS AND LOW LYING SPOTS. DO NOT ATTEMPT TO TRAVEL
ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW
INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...AS WELL AS FARM AND COUNTRY ROADS. DO NOT
ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES.

LAT...LON 4420 9474 4428 9487 4435 9486 4446 9472
      4445 9422 4436 9412 4423 9427 4426 9436
      4420 9437 4417 9452
TIME...MOT...LOC 0736Z 240DEG 0KT 4432 9450

ADL
Local storm report, Jul 6, 4:41 AM CDT, 50 minutes before
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Local storm report, Jul 6, 4:50 AM CDT, 41 minutes before
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Local storm report, Jul 6, 5:10 AM CDT, 21 minutes before
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Special weather statement, Jul 6, 5:31 AM CDT, 0 minutes before
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The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 7:30 PM CDTSevere Thunderstorm WarningMPXPope, Stevens45 min
Jul 5, 8:41 PM CDTSpecial Weather StatementMPXStevens2 hr
Jul 5, 8:54 PM CDTFlash Flood WatchMPXAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 29 more16 hr
Jul 5, 9:11 PM CDTSpecial Weather StatementMPXTodd64 min
Jul 5, 9:38 PM CDTSpecial Weather StatementMPXSwift67 min
Jul 5, 10:15 PM CDTSpecial Weather StatementMPXChippewa, Lac qui Parle75 min
Jul 5, 11:03 PM CDTSevere Thunderstorm WarningMPXBenton, Sherburne, Stearns42 min
Jul 5, 11:28 PM CDTFlash Flood WarningMPXBenton, Sherburne, Stearns3 hr
Jul 5, 11:48 PM CDTSpecial Weather StatementMPXChippewa, Yellow Medicine117 min
Jul 6, 2:14 AM CDTSpecial Weather StatementMPXRamsey, Washington2 hr
Jul 6, 2:40 AM CDTSpecial Weather StatementMPXBrown, Nicollet20 min
Jul 6, 3:13 AM CDTFlash Flood WarningMPXWashington2 hr
Jul 6, 5:35 AM CDTFlash Flood WarningMPXPierce, Saint Croix5 hr
Jul 6, 5:45 AM CDTFlash Flood WarningMPXChippewa, Dunn, Eau Claire3 hr
Jul 6, 8:50 AM CDTAreal Flood WarningMPXChippewa, Dunn, Eau Claire3 hr

Nearby

Special Weather Statements in Wisconsin, 2015Every special weather statement in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.